Article continues below advertisementSavannah Guthrie's husband Michael Feldman wrote an emotional tribute to her in honor of Mother's Day in Sunday, May 10.The post comes over three months after his mother-in-law, Nancy Guthrie, disappeared from her Tucson, Ariz. home. Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @feldmike/InstagramSavannah Guthrie's husband Michael Feldman shared a tribute to her on Mother's Day."To the strongest person I know," Michael wrote on Instagram alongside Savannah, 54, hugging and kissing their kids, Vale and Charley.